???Qingdao Deruixin Environmental Protection Technology Co., LTD
(Previously named Qingdao Kaibote Rubber Additives co., LTD),deals
in carbon black production and pyrolytic carbon black equipment
R&D ,Company has a complete and scientific quality management
system, in the process of producing carbon black,we try to develop
new renewable carbon black production equipment continuously.
?Our main products include:
Rubber carbon black :N220?N234?N326?N330?N339?N375?N550?N660?N774
etc.
...
Qingdao Deruixin Environmental Protection Technology Co.,Ltd